Not to prevent it, no, but, to help stop the itching.............spit on them - resist scratching for the 1st 5mins or so and it seems to work fairly well
I followed an XF down the M4 and then onto the M3 today
the driver strangely enough WAS wearing a flat cap and had a pipe stuck in his gob......................I couldn't beliiiiieeeeeve it
just read your signature ......................so you keep a spare pair of knickers in the car......................hmmmmm, iiiiinnnnteresting
ps
I'm happily married, but there are other lurkers on here
an individual preference on this one - you need to try both to see what suits you
but mechanically, there are still no known issues (although there have been one or two manual gearbox failures - but 1 or 2 out of several thousand sold )